IEngine.c revision a80a6ff9a1f80792478c9d43578afa24a07eb2f0
1/* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17/* Engine implementation */ 18 19#include <endian.h> 20#include "sles_allinclusive.h" 21 22 23/* Utility functions */ 24 25static SLresult initializeBufferQueueMembers(CAudioPlayer *ap) { 26 // inline allocation of circular mArray, up to a typical max 27 if (BUFFER_HEADER_TYPICAL >= ap->mBufferQueue.mNumBuffers) { 28 ap->mBufferQueue.mArray = ap->mBufferQueue.mTypical; 29 } else { 30 // Avoid possible integer overflow during multiplication; this arbitrary 31 // maximum is big enough to not interfere with real applications, but 32 // small enough to not overflow. 33 if (ap->mBufferQueue.mNumBuffers >= 256) { 34 return SL_RESULT_MEMORY_FAILURE; 35 } 36 ap->mBufferQueue.mArray = (BufferHeader *) 37 malloc((ap->mBufferQueue.mNumBuffers + 1) * sizeof(BufferHeader)); 38 if (NULL == ap->mBufferQueue.mArray) { 39 return SL_RESULT_MEMORY_FAILURE; 40 } 41 } 42 ap->mBufferQueue.mFront = ap->mBufferQueue.mArray; 43 ap->mBufferQueue.mRear = ap->mBufferQueue.mArray; 44 return SL_RESULT_SUCCESS; 45} 46 47#ifdef ANDROID 48static SLresult initializeAndroidBufferQueueMembers(CAudioPlayer *ap) { 49 // Avoid possible integer overflow during multiplication; this arbitrary 50 // maximum is big enough to not interfere with real applications, but 51 // small enough to not overflow. 52 if (ap->mAndroidBufferQueue.mNumBuffers >= 256) { 53 return SL_RESULT_MEMORY_FAILURE; 54 } 55 ap->mAndroidBufferQueue.mBufferArray = (AdvancedBufferHeader *) 56 malloc( (ap->mAndroidBufferQueue.mNumBuffers + 1) * sizeof(AdvancedBufferHeader)); 57 if (NULL == ap->mAndroidBufferQueue.mBufferArray) { 58 return SL_RESULT_MEMORY_FAILURE; 59 } else { 60 61 // initialize ABQ buffer type 62 // assert below has been checked in android_audioPlayer_checkSourceSink 63 assert(SL_DATAFORMAT_MIME == ap->mDataSource.mFormat.mFormatType); 64 switch (ap->mDataSource.mFormat.mMIME.containerType) { 65 case SL_CONTAINERTYPE_MPEG_TS: 66 ap->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeMpeg2Ts; 67 break; 68 case SL_CONTAINERTYPE_AAC: 69 case SL_CONTAINERTYPE_RAW: { 70 const char* mime = (char*)ap->mDataSource.mFormat.mMIME.mimeType; 71 if ((mime != NULL) && !(strcasecmp(mime, (const char *)SL_ANDROID_MIME_AACADTS) && 72 strcasecmp(mime, ANDROID_MIME_AACADTS_ANDROID_FRAMEWORK))) { 73 ap->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeAacadts; 74 } else { 75 ap->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeInvalid; 76 SL_LOGE("CreateAudioPlayer: Invalid buffer type in Android Buffer Queue"); 77 return SL_RESULT_CONTENT_UNSUPPORTED; 78 } 79 } break; 80 default: 81 ap->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeInvalid; 82 SL_LOGE("CreateAudioPlayer: Invalid buffer type in Android Buffer Queue"); 83 return SL_RESULT_CONTENT_UNSUPPORTED; 84 } 85 86 ap->mAndroidBufferQueue.mFront = ap->mAndroidBufferQueue.mBufferArray; 87 ap->mAndroidBufferQueue.mRear = ap->mAndroidBufferQueue.mBufferArray; 88 } 89 90 return SL_RESULT_SUCCESS; 91} 92#endif 93 94 95static SLresult IEngine_CreateLEDDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 96 SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 97{ 98 SL_ENTER_INTERFACE 99 100#if USE_PROFILES & USE_PROFILES_OPTIONAL 101 if ((NULL == pDevice) || (SL_DEFAULTDEVICEID_LED != deviceID)) { 102 result = SL_RESULT_PARAMETER_INVALID; 103 } else { 104 *pDevice = NULL; 105 unsigned exposedMask; 106 const ClassTable *pCLEDDevice_class = objectIDtoClass(SL_OBJECTID_LEDDEVICE); 107 if (NULL == pCLEDDevice_class) { 108 result = SL_RESULT_FEATURE_UNSUPPORTED; 109 } else { 110 result = checkInterfaces(pCLEDDevice_class, numInterfaces, pInterfaceIds, 111 pInterfaceRequired, &exposedMask, NULL); 112 } 113 if (SL_RESULT_SUCCESS == result) { 114 CLEDDevice *thiz = (CLEDDevice *) construct(pCLEDDevice_class, exposedMask, self); 115 if (NULL == thiz) { 116 result = SL_RESULT_MEMORY_FAILURE; 117 } else { 118 thiz->mDeviceID = deviceID; 119 IObject_Publish(&thiz->mObject); 120 // return the new LED object 121 *pDevice = &thiz->mObject.mItf; 122 } 123 } 124 } 125#else 126 result = SL_RESULT_FEATURE_UNSUPPORTED; 127#endif 128 129 SL_LEAVE_INTERFACE 130} 131 132 133static SLresult IEngine_CreateVibraDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 134 SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 135{ 136 SL_ENTER_INTERFACE 137 138#if USE_PROFILES & USE_PROFILES_OPTIONAL 139 if ((NULL == pDevice) || (SL_DEFAULTDEVICEID_VIBRA != deviceID)) { 140 result = SL_RESULT_PARAMETER_INVALID; 141 } else { 142 *pDevice = NULL; 143 unsigned exposedMask; 144 const ClassTable *pCVibraDevice_class = objectIDtoClass(SL_OBJECTID_VIBRADEVICE); 145 if (NULL == pCVibraDevice_class) { 146 result = SL_RESULT_FEATURE_UNSUPPORTED; 147 } else { 148 result = checkInterfaces(pCVibraDevice_class, numInterfaces, 149 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 150 } 151 if (SL_RESULT_SUCCESS == result) { 152 CVibraDevice *thiz = (CVibraDevice *) construct(pCVibraDevice_class, exposedMask, self); 153 if (NULL == thiz) { 154 result = SL_RESULT_MEMORY_FAILURE; 155 } else { 156 thiz->mDeviceID = deviceID; 157 IObject_Publish(&thiz->mObject); 158 // return the new vibra object 159 *pDevice = &thiz->mObject.mItf; 160 } 161 } 162 } 163#else 164 result = SL_RESULT_FEATURE_UNSUPPORTED; 165#endif 166 167 SL_LEAVE_INTERFACE 168} 169 170 171static SLresult IEngine_CreateAudioPlayer(SLEngineItf self, SLObjectItf *pPlayer, 172 SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 173 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 174{ 175 SL_ENTER_INTERFACE 176 177 if (NULL == pPlayer) { 178 result = SL_RESULT_PARAMETER_INVALID; 179 } else { 180 *pPlayer = NULL; 181 unsigned exposedMask, requiredMask; 182 const ClassTable *pCAudioPlayer_class = objectIDtoClass(SL_OBJECTID_AUDIOPLAYER); 183 assert(NULL != pCAudioPlayer_class); 184 result = checkInterfaces(pCAudioPlayer_class, numInterfaces, 185 pInterfaceIds, pInterfaceRequired, &exposedMask, &requiredMask); 186 if (SL_RESULT_SUCCESS == result) { 187 188 // Construct our new AudioPlayer instance 189 CAudioPlayer *thiz = (CAudioPlayer *) construct(pCAudioPlayer_class, exposedMask, self); 190 if (NULL == thiz) { 191 result = SL_RESULT_MEMORY_FAILURE; 192 } else { 193 194 do { 195 196 // Initialize private fields not associated with an interface 197 198 // Default data source in case of failure in checkDataSource 199 thiz->mDataSource.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 200 thiz->mDataSource.mFormat.mFormatType = SL_DATAFORMAT_NULL; 201 202 // Default data sink in case of failure in checkDataSink 203 thiz->mDataSink.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 204 thiz->mDataSink.mFormat.mFormatType = SL_DATAFORMAT_NULL; 205 206 // Default is no per-channel mute or solo 207 thiz->mMuteMask = 0; 208 thiz->mSoloMask = 0; 209 210 // Will be set soon for PCM buffer queues, or later by platform-specific code 211 // during Realize or Prefetch 212 thiz->mNumChannels = UNKNOWN_NUMCHANNELS; 213 thiz->mSampleRateMilliHz = UNKNOWN_SAMPLERATE; 214 215 // More default values, in case destructor needs to be called early 216 thiz->mDirectLevel = 0; // no attenuation 217#ifdef USE_OUTPUTMIXEXT 218 thiz->mTrack = NULL; 219 thiz->mGains[0] = 1.0f; 220 thiz->mGains[1] = 1.0f; 221 thiz->mDestroyRequested = SL_BOOLEAN_FALSE; 222#endif 223#ifdef USE_SNDFILE 224 thiz->mSndFile.mPathname = NULL; 225 thiz->mSndFile.mSNDFILE = NULL; 226 memset(&thiz->mSndFile.mSfInfo, 0, sizeof(SF_INFO)); 227 memset(&thiz->mSndFile.mMutex, 0, sizeof(pthread_mutex_t)); 228 thiz->mSndFile.mEOF = SL_BOOLEAN_FALSE; 229 thiz->mSndFile.mWhich = 0; 230 memset(thiz->mSndFile.mBuffer, 0, sizeof(thiz->mSndFile.mBuffer)); 231#endif 232#ifdef ANDROID 233 // placement new (explicit constructor) 234 // FIXME unnecessary once those fields are encapsulated in one class, rather 235 // than a structure 236 (void) new (&thiz->mAudioTrack) android::sp<android::AudioTrack>(); 237 (void) new (&thiz->mCallbackProtector) 238 android::sp<android::CallbackProtector>(); 239 (void) new (&thiz->mAuxEffect) android::sp<android::AudioEffect>(); 240 (void) new (&thiz->mAPlayer) android::sp<android::GenericPlayer>(); 241 // Android-specific POD fields are initialized in android_audioPlayer_create, 242 // and assume calloc or memset 0 during allocation 243#endif 244 245 // Check the source and sink parameters against generic constraints, 246 // and make a local copy of all parameters in case other application threads 247 // change memory concurrently. 248 249 result = checkDataSource("pAudioSrc", pAudioSrc, &thiz->mDataSource, 250 DATALOCATOR_MASK_URI | DATALOCATOR_MASK_ADDRESS | 251 DATALOCATOR_MASK_BUFFERQUEUE 252#ifdef ANDROID 253 | DATALOCATOR_MASK_ANDROIDFD | DATALOCATOR_MASK_ANDROIDSIMPLEBUFFERQUEUE 254 | DATALOCATOR_MASK_ANDROIDBUFFERQUEUE 255#endif 256 , DATAFORMAT_MASK_MIME | DATAFORMAT_MASK_PCM | DATAFORMAT_MASK_PCM_EX); 257 258 if (SL_RESULT_SUCCESS != result) { 259 break; 260 } 261 262 result = checkDataSink("pAudioSnk", pAudioSnk, &thiz->mDataSink, 263 DATALOCATOR_MASK_OUTPUTMIX // for playback 264#ifdef ANDROID 265 | DATALOCATOR_MASK_ANDROIDSIMPLEBUFFERQUEUE // for decode to a BQ 266 | DATALOCATOR_MASK_BUFFERQUEUE // for decode to a BQ 267#endif 268 , DATAFORMAT_MASK_NULL 269#ifdef ANDROID 270 | DATAFORMAT_MASK_PCM | DATAFORMAT_MASK_PCM_EX // for decode to PCM 271#endif 272 ); 273 if (SL_RESULT_SUCCESS != result) { 274 break; 275 } 276 277 // It would be unsafe to ever refer to the application pointers again 278 pAudioSrc = NULL; 279 pAudioSnk = NULL; 280 281 // Check that the requested interfaces are compatible with data source and sink 282 result = checkSourceSinkVsInterfacesCompatibility(&thiz->mDataSource, 283 &thiz->mDataSink, pCAudioPlayer_class, requiredMask); 284 if (SL_RESULT_SUCCESS != result) { 285 break; 286 } 287 288 // copy the buffer queue count from source locator (for playback) / from the 289 // sink locator (for decode on ANDROID build) to the buffer queue interface 290 // we have already range-checked the value down to a smaller width 291 SLuint16 nbBuffers = 0; 292 bool usesAdvancedBufferHeaders = false; 293 bool usesSimpleBufferQueue = false; 294 // creating an AudioPlayer which decodes AAC ADTS buffers to a PCM buffer queue 295 // will cause usesAdvancedBufferHeaders and usesSimpleBufferQueue to be true 296 switch (thiz->mDataSource.mLocator.mLocatorType) { 297 case SL_DATALOCATOR_BUFFERQUEUE: 298#ifdef ANDROID 299 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 300#endif 301 usesSimpleBufferQueue = true; 302 nbBuffers = (SLuint16) thiz->mDataSource.mLocator.mBufferQueue.numBuffers; 303 assert(SL_DATAFORMAT_PCM == thiz->mDataSource.mFormat.mFormatType 304 || SL_ANDROID_DATAFORMAT_PCM_EX 305 == thiz->mDataSource.mFormat.mFormatType); 306 thiz->mNumChannels = thiz->mDataSource.mFormat.mPCM.numChannels; 307 thiz->mSampleRateMilliHz = thiz->mDataSource.mFormat.mPCM.samplesPerSec; 308 break; 309#ifdef ANDROID 310 case SL_DATALOCATOR_ANDROIDBUFFERQUEUE: 311 usesAdvancedBufferHeaders = true; 312 nbBuffers = (SLuint16) thiz->mDataSource.mLocator.mABQ.numBuffers; 313 thiz->mAndroidBufferQueue.mNumBuffers = nbBuffers; 314 break; 315#endif 316 default: 317 nbBuffers = 0; 318 break; 319 } 320#ifdef ANDROID 321 switch (thiz->mDataSink.mLocator.mLocatorType) { 322 case SL_DATALOCATOR_BUFFERQUEUE: 323 case SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE: 324 usesSimpleBufferQueue = true; 325 nbBuffers = thiz->mDataSink.mLocator.mBufferQueue.numBuffers; 326 assert(SL_DATAFORMAT_PCM == thiz->mDataSink.mFormat.mFormatType 327 || SL_ANDROID_DATAFORMAT_PCM_EX 328 == thiz->mDataSink.mFormat.mFormatType); 329 // FIXME The values specified by the app are meaningless. We get the 330 // real values from the decoder. But the data sink checks currently require 331 // that the app specify these useless values. Needs doc/fix. 332 // Instead use the "unknown" values, as needed by prepare completion. 333 // thiz->mNumChannels = thiz->mDataSink.mFormat.mPCM.numChannels; 334 // thiz->mSampleRateMilliHz = thiz->mDataSink.mFormat.mPCM.samplesPerSec; 335 thiz->mNumChannels = UNKNOWN_NUMCHANNELS; 336 thiz->mSampleRateMilliHz = UNKNOWN_SAMPLERATE; 337 break; 338 default: 339 // leave nbBuffers unchanged 340 break; 341 } 342#endif 343 thiz->mBufferQueue.mNumBuffers = nbBuffers; 344 345 // check the audio source and sink parameters against platform support 346#ifdef ANDROID 347 result = android_audioPlayer_checkSourceSink(thiz); 348 if (SL_RESULT_SUCCESS != result) { 349 break; 350 } 351#endif 352 353#ifdef USE_SNDFILE 354 result = SndFile_checkAudioPlayerSourceSink(thiz); 355 if (SL_RESULT_SUCCESS != result) { 356 break; 357 } 358#endif 359 360#ifdef USE_OUTPUTMIXEXT 361 result = IOutputMixExt_checkAudioPlayerSourceSink(thiz); 362 if (SL_RESULT_SUCCESS != result) { 363 break; 364 } 365#endif 366 367 // Allocate memory for buffer queue 368 if (usesAdvancedBufferHeaders) { 369#ifdef ANDROID 370 // locator is SL_DATALOCATOR_ANDROIDBUFFERQUEUE 371 result = initializeAndroidBufferQueueMembers(thiz); 372#else 373 assert(false); 374#endif 375 } 376 377 if (usesSimpleBufferQueue) { 378 // locator is SL_DATALOCATOR_BUFFERQUEUE 379 // or SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE 380 result = initializeBufferQueueMembers(thiz); 381 } 382 383 // used to store the data source of our audio player 384 thiz->mDynamicSource.mDataSource = &thiz->mDataSource.u.mSource; 385 386 // platform-specific initialization 387#ifdef ANDROID 388 android_audioPlayer_create(thiz); 389#endif 390 391 } while (0); 392 393 if (SL_RESULT_SUCCESS != result) { 394 IObject_Destroy(&thiz->mObject.mItf); 395 } else { 396 IObject_Publish(&thiz->mObject); 397 // return the new audio player object 398 *pPlayer = &thiz->mObject.mItf; 399 } 400 401 } 402 } 403 404 } 405 406 SL_LEAVE_INTERFACE 407} 408 409 410static SLresult IEngine_CreateAudioRecorder(SLEngineItf self, SLObjectItf *pRecorder, 411 SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 412 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 413{ 414 SL_ENTER_INTERFACE 415 416#if (USE_PROFILES & USE_PROFILES_OPTIONAL) || defined(ANDROID) 417 if (NULL == pRecorder) { 418 result = SL_RESULT_PARAMETER_INVALID; 419 } else { 420 *pRecorder = NULL; 421 unsigned exposedMask; 422 const ClassTable *pCAudioRecorder_class = objectIDtoClass(SL_OBJECTID_AUDIORECORDER); 423 if (NULL == pCAudioRecorder_class) { 424 result = SL_RESULT_FEATURE_UNSUPPORTED; 425 } else { 426 result = checkInterfaces(pCAudioRecorder_class, numInterfaces, 427 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 428 } 429 430 if (SL_RESULT_SUCCESS == result) { 431 432 // Construct our new AudioRecorder instance 433 CAudioRecorder *thiz = (CAudioRecorder *) construct(pCAudioRecorder_class, exposedMask, 434 self); 435 if (NULL == thiz) { 436 result = SL_RESULT_MEMORY_FAILURE; 437 } else { 438 439 do { 440 441 // Initialize fields not associated with any interface 442 443 // Default data source in case of failure in checkDataSource 444 thiz->mDataSource.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 445 thiz->mDataSource.mFormat.mFormatType = SL_DATAFORMAT_NULL; 446 447 // Default data sink in case of failure in checkDataSink 448 thiz->mDataSink.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 449 thiz->mDataSink.mFormat.mFormatType = SL_DATAFORMAT_NULL; 450 451 // These fields are set to real values by 452 // android_audioRecorder_checkSourceSink. Note that the data sink is 453 // always PCM buffer queue, so we know the channel count and sample rate early. 454 thiz->mNumChannels = UNKNOWN_NUMCHANNELS; 455 thiz->mSampleRateMilliHz = UNKNOWN_SAMPLERATE; 456#ifdef ANDROID 457 // placement new (explicit constructor) 458 // FIXME unnecessary once those fields are encapsulated in one class, rather 459 // than a structure 460 (void) new (&thiz->mAudioRecord) android::sp<android::AudioRecord>(); 461 (void) new (&thiz->mCallbackProtector) 462 android::sp<android::CallbackProtector>(); 463 thiz->mRecordSource = AUDIO_SOURCE_DEFAULT; 464#endif 465 466 // Check the source and sink parameters, and make a local copy of all parameters 467 result = checkDataSource("pAudioSrc", pAudioSrc, &thiz->mDataSource, 468 DATALOCATOR_MASK_IODEVICE, DATAFORMAT_MASK_NULL); 469 if (SL_RESULT_SUCCESS != result) { 470 break; 471 } 472 result = checkDataSink("pAudioSnk", pAudioSnk, &thiz->mDataSink, 473 DATALOCATOR_MASK_URI 474#ifdef ANDROID 475 | DATALOCATOR_MASK_ANDROIDSIMPLEBUFFERQUEUE 476#endif 477 , DATAFORMAT_MASK_MIME | DATAFORMAT_MASK_PCM | DATAFORMAT_MASK_PCM_EX 478 ); 479 if (SL_RESULT_SUCCESS != result) { 480 break; 481 } 482 483 // It would be unsafe to ever refer to the application pointers again 484 pAudioSrc = NULL; 485 pAudioSnk = NULL; 486 487 // check the audio source and sink parameters against platform support 488#ifdef ANDROID 489 result = android_audioRecorder_checkSourceSink(thiz); 490 if (SL_RESULT_SUCCESS != result) { 491 SL_LOGE("Cannot create AudioRecorder: invalid source or sink"); 492 break; 493 } 494#endif 495 496#ifdef ANDROID 497 // Allocate memory for buffer queue 498 SLuint32 locatorType = thiz->mDataSink.mLocator.mLocatorType; 499 if (locatorType == SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE) { 500 thiz->mBufferQueue.mNumBuffers = 501 thiz->mDataSink.mLocator.mBufferQueue.numBuffers; 502 // inline allocation of circular Buffer Queue mArray, up to a typical max 503 if (BUFFER_HEADER_TYPICAL >= thiz->mBufferQueue.mNumBuffers) { 504 thiz->mBufferQueue.mArray = thiz->mBufferQueue.mTypical; 505 } else { 506 // Avoid possible integer overflow during multiplication; this arbitrary 507 // maximum is big enough to not interfere with real applications, but 508 // small enough to not overflow. 509 if (thiz->mBufferQueue.mNumBuffers >= 256) { 510 result = SL_RESULT_MEMORY_FAILURE; 511 break; 512 } 513 thiz->mBufferQueue.mArray = (BufferHeader *) malloc((thiz->mBufferQueue. 514 mNumBuffers + 1) * sizeof(BufferHeader)); 515 if (NULL == thiz->mBufferQueue.mArray) { 516 result = SL_RESULT_MEMORY_FAILURE; 517 break; 518 } 519 } 520 thiz->mBufferQueue.mFront = thiz->mBufferQueue.mArray; 521 thiz->mBufferQueue.mRear = thiz->mBufferQueue.mArray; 522 } 523#endif 524 525 // platform-specific initialization 526#ifdef ANDROID 527 android_audioRecorder_create(thiz); 528#endif 529 530 } while (0); 531 532 if (SL_RESULT_SUCCESS != result) { 533 IObject_Destroy(&thiz->mObject.mItf); 534 } else { 535 IObject_Publish(&thiz->mObject); 536 // return the new audio recorder object 537 *pRecorder = &thiz->mObject.mItf; 538 } 539 } 540 541 } 542 543 } 544#else 545 result = SL_RESULT_FEATURE_UNSUPPORTED; 546#endif 547 548 SL_LEAVE_INTERFACE 549} 550 551 552static SLresult IEngine_CreateMidiPlayer(SLEngineItf self, SLObjectItf *pPlayer, 553 SLDataSource *pMIDISrc, SLDataSource *pBankSrc, SLDataSink *pAudioOutput, 554 SLDataSink *pVibra, SLDataSink *pLEDArray, SLuint32 numInterfaces, 555 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 556{ 557 SL_ENTER_INTERFACE 558 559#if USE_PROFILES & (USE_PROFILES_GAME | USE_PROFILES_PHONE) 560 if ((NULL == pPlayer) || (NULL == pMIDISrc) || (NULL == pAudioOutput)) { 561 result = SL_RESULT_PARAMETER_INVALID; 562 } else { 563 *pPlayer = NULL; 564 unsigned exposedMask; 565 const ClassTable *pCMidiPlayer_class = objectIDtoClass(SL_OBJECTID_MIDIPLAYER); 566 if (NULL == pCMidiPlayer_class) { 567 result = SL_RESULT_FEATURE_UNSUPPORTED; 568 } else { 569 result = checkInterfaces(pCMidiPlayer_class, numInterfaces, 570 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 571 } 572 if (SL_RESULT_SUCCESS == result) { 573 CMidiPlayer *thiz = (CMidiPlayer *) construct(pCMidiPlayer_class, exposedMask, self); 574 if (NULL == thiz) { 575 result = SL_RESULT_MEMORY_FAILURE; 576 } else { 577#if 0 578 "pMIDISrc", pMIDISrc, URI | MIDIBUFFERQUEUE, NONE 579 "pBankSrc", pBanksrc, NULL | URI | ADDRESS, NULL 580 "pAudioOutput", pAudioOutput, OUTPUTMIX, NULL 581 "pVibra", pVibra, NULL | IODEVICE, NULL 582 "pLEDArray", pLEDArray, NULL | IODEVICE, NULL 583#endif 584 // a fake value - why not use value from IPlay_init? what does CT check for? 585 thiz->mPlay.mDuration = 0; 586 IObject_Publish(&thiz->mObject); 587 // return the new MIDI player object 588 *pPlayer = &thiz->mObject.mItf; 589 } 590 } 591 } 592#else 593 result = SL_RESULT_FEATURE_UNSUPPORTED; 594#endif 595 596 SL_LEAVE_INTERFACE 597} 598 599 600static SLresult IEngine_CreateListener(SLEngineItf self, SLObjectItf *pListener, 601 SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 602{ 603 SL_ENTER_INTERFACE 604 605#if USE_PROFILES & USE_PROFILES_GAME 606 if (NULL == pListener) { 607 result = SL_RESULT_PARAMETER_INVALID; 608 } else { 609 *pListener = NULL; 610 unsigned exposedMask; 611 const ClassTable *pCListener_class = objectIDtoClass(SL_OBJECTID_LISTENER); 612 if (NULL == pCListener_class) { 613 result = SL_RESULT_FEATURE_UNSUPPORTED; 614 } else { 615 result = checkInterfaces(pCListener_class, numInterfaces, 616 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 617 } 618 if (SL_RESULT_SUCCESS == result) { 619 CListener *thiz = (CListener *) construct(pCListener_class, exposedMask, self); 620 if (NULL == thiz) { 621 result = SL_RESULT_MEMORY_FAILURE; 622 } else { 623 IObject_Publish(&thiz->mObject); 624 // return the new 3D listener object 625 *pListener = &thiz->mObject.mItf; 626 } 627 } 628 } 629#else 630 result = SL_RESULT_FEATURE_UNSUPPORTED; 631#endif 632 633 SL_LEAVE_INTERFACE 634} 635 636 637static SLresult IEngine_Create3DGroup(SLEngineItf self, SLObjectItf *pGroup, SLuint32 numInterfaces, 638 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 639{ 640 SL_ENTER_INTERFACE 641 642#if USE_PROFILES & USE_PROFILES_GAME 643 if (NULL == pGroup) { 644 result = SL_RESULT_PARAMETER_INVALID; 645 } else { 646 *pGroup = NULL; 647 unsigned exposedMask; 648 const ClassTable *pC3DGroup_class = objectIDtoClass(SL_OBJECTID_3DGROUP); 649 if (NULL == pC3DGroup_class) { 650 result = SL_RESULT_FEATURE_UNSUPPORTED; 651 } else { 652 result = checkInterfaces(pC3DGroup_class, numInterfaces, 653 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 654 } 655 if (SL_RESULT_SUCCESS == result) { 656 C3DGroup *thiz = (C3DGroup *) construct(pC3DGroup_class, exposedMask, self); 657 if (NULL == thiz) { 658 result = SL_RESULT_MEMORY_FAILURE; 659 } else { 660 thiz->mMemberMask = 0; 661 IObject_Publish(&thiz->mObject); 662 // return the new 3D group object 663 *pGroup = &thiz->mObject.mItf; 664 } 665 } 666 } 667#else 668 result = SL_RESULT_FEATURE_UNSUPPORTED; 669#endif 670 671 SL_LEAVE_INTERFACE 672} 673 674 675static SLresult IEngine_CreateOutputMix(SLEngineItf self, SLObjectItf *pMix, SLuint32 numInterfaces, 676 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 677{ 678 SL_ENTER_INTERFACE 679 680 if (NULL == pMix) { 681 result = SL_RESULT_PARAMETER_INVALID; 682 } else { 683 *pMix = NULL; 684 unsigned exposedMask; 685 const ClassTable *pCOutputMix_class = objectIDtoClass(SL_OBJECTID_OUTPUTMIX); 686 assert(NULL != pCOutputMix_class); 687 result = checkInterfaces(pCOutputMix_class, numInterfaces, 688 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 689 if (SL_RESULT_SUCCESS == result) { 690 COutputMix *thiz = (COutputMix *) construct(pCOutputMix_class, exposedMask, self); 691 if (NULL == thiz) { 692 result = SL_RESULT_MEMORY_FAILURE; 693 } else { 694#ifdef ANDROID 695 android_outputMix_create(thiz); 696#endif 697#ifdef USE_SDL 698 IEngine *thisEngine = &thiz->mObject.mEngine->mEngine; 699 interface_lock_exclusive(thisEngine); 700 bool unpause = false; 701 if (NULL == thisEngine->mOutputMix) { 702 thisEngine->mOutputMix = thiz; 703 unpause = true; 704 } 705 interface_unlock_exclusive(thisEngine); 706#endif 707 IObject_Publish(&thiz->mObject); 708#ifdef USE_SDL 709 if (unpause) { 710 // Enable SDL_callback to be called periodically by SDL's internal thread 711 SDL_PauseAudio(0); 712 } 713#endif 714 // return the new output mix object 715 *pMix = &thiz->mObject.mItf; 716 } 717 } 718 } 719 720 SL_LEAVE_INTERFACE 721} 722 723 724static SLresult IEngine_CreateMetadataExtractor(SLEngineItf self, SLObjectItf *pMetadataExtractor, 725 SLDataSource *pDataSource, SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 726 const SLboolean *pInterfaceRequired) 727{ 728 SL_ENTER_INTERFACE 729 730#if USE_PROFILES & (USE_PROFILES_GAME | USE_PROFILES_MUSIC) 731 if (NULL == pMetadataExtractor) { 732 result = SL_RESULT_PARAMETER_INVALID; 733 } else { 734 *pMetadataExtractor = NULL; 735 unsigned exposedMask; 736 const ClassTable *pCMetadataExtractor_class = 737 objectIDtoClass(SL_OBJECTID_METADATAEXTRACTOR); 738 if (NULL == pCMetadataExtractor_class) { 739 result = SL_RESULT_FEATURE_UNSUPPORTED; 740 } else { 741 result = checkInterfaces(pCMetadataExtractor_class, numInterfaces, 742 pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 743 } 744 if (SL_RESULT_SUCCESS == result) { 745 CMetadataExtractor *thiz = (CMetadataExtractor *) 746 construct(pCMetadataExtractor_class, exposedMask, self); 747 if (NULL == thiz) { 748 result = SL_RESULT_MEMORY_FAILURE; 749 } else { 750#if 0 751 "pDataSource", pDataSource, NONE, NONE 752#endif 753 IObject_Publish(&thiz->mObject); 754 // return the new metadata extractor object 755 *pMetadataExtractor = &thiz->mObject.mItf; 756 result = SL_RESULT_SUCCESS; 757 } 758 } 759 } 760#else 761 result = SL_RESULT_FEATURE_UNSUPPORTED; 762#endif 763 764 SL_LEAVE_INTERFACE 765} 766 767 768static SLresult IEngine_CreateExtensionObject(SLEngineItf self, SLObjectItf *pObject, 769 void *pParameters, SLuint32 objectID, SLuint32 numInterfaces, 770 const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 771{ 772 SL_ENTER_INTERFACE 773 774 if (NULL == pObject) { 775 result = SL_RESULT_PARAMETER_INVALID; 776 } else { 777 *pObject = NULL; 778 result = SL_RESULT_FEATURE_UNSUPPORTED; 779 } 780 781 SL_LEAVE_INTERFACE 782} 783 784 785static SLresult IEngine_QueryNumSupportedInterfaces(SLEngineItf self, 786 SLuint32 objectID, SLuint32 *pNumSupportedInterfaces) 787{ 788 SL_ENTER_INTERFACE 789 790 if (NULL == pNumSupportedInterfaces) { 791 result = SL_RESULT_PARAMETER_INVALID; 792 } else { 793 const ClassTable *clazz = objectIDtoClass(objectID); 794 if (NULL == clazz) { 795 result = SL_RESULT_FEATURE_UNSUPPORTED; 796 } else { 797 SLuint32 count = 0; 798 SLuint32 i; 799 for (i = 0; i < clazz->mInterfaceCount; ++i) { 800 switch (clazz->mInterfaces[i].mInterface) { 801 case INTERFACE_IMPLICIT: 802 case INTERFACE_IMPLICIT_PREREALIZE: 803 case INTERFACE_EXPLICIT: 804 case INTERFACE_EXPLICIT_PREREALIZE: 805 case INTERFACE_DYNAMIC: 806 ++count; 807 break; 808 case INTERFACE_UNAVAILABLE: 809 break; 810 default: 811 assert(false); 812 break; 813 } 814 } 815 *pNumSupportedInterfaces = count; 816 result = SL_RESULT_SUCCESS; 817 } 818 } 819 820 SL_LEAVE_INTERFACE; 821} 822 823 824static SLresult IEngine_QuerySupportedInterfaces(SLEngineItf self, 825 SLuint32 objectID, SLuint32 index, SLInterfaceID *pInterfaceId) 826{ 827 SL_ENTER_INTERFACE 828 829 if (NULL == pInterfaceId) { 830 result = SL_RESULT_PARAMETER_INVALID; 831 } else { 832 *pInterfaceId = NULL; 833 const ClassTable *clazz = objectIDtoClass(objectID); 834 if (NULL == clazz) { 835 result = SL_RESULT_FEATURE_UNSUPPORTED; 836 } else { 837 result = SL_RESULT_PARAMETER_INVALID; // will be reset later 838 SLuint32 i; 839 for (i = 0; i < clazz->mInterfaceCount; ++i) { 840 switch (clazz->mInterfaces[i].mInterface) { 841 case INTERFACE_IMPLICIT: 842 case INTERFACE_IMPLICIT_PREREALIZE: 843 case INTERFACE_EXPLICIT: 844 case INTERFACE_EXPLICIT_PREREALIZE: 845 case INTERFACE_DYNAMIC: 846 break; 847 case INTERFACE_UNAVAILABLE: 848 continue; 849 default: 850 assert(false); 851 break; 852 } 853 if (index == 0) { 854 *pInterfaceId = &SL_IID_array[clazz->mInterfaces[i].mMPH]; 855 result = SL_RESULT_SUCCESS; 856 break; 857 } 858 --index; 859 } 860 } 861 } 862 863 SL_LEAVE_INTERFACE 864}; 865 866 867static const char * const extensionNames[] = { 868#ifdef ANDROID 869#define _(n) #n 870#define __(n) _(n) 871 "ANDROID_SDK_LEVEL_" __(PLATFORM_SDK_VERSION), 872#undef _ 873#undef __ 874#else 875 "WILHELM_DESKTOP", 876#endif 877}; 878 879 880static SLresult IEngine_QueryNumSupportedExtensions(SLEngineItf self, SLuint32 *pNumExtensions) 881{ 882 SL_ENTER_INTERFACE 883 884 if (NULL == pNumExtensions) { 885 result = SL_RESULT_PARAMETER_INVALID; 886 } else { 887 *pNumExtensions = sizeof(extensionNames) / sizeof(extensionNames[0]); 888 result = SL_RESULT_SUCCESS; 889 } 890 891 SL_LEAVE_INTERFACE 892} 893 894 895static SLresult IEngine_QuerySupportedExtension(SLEngineItf self, 896 SLuint32 index, SLchar *pExtensionName, SLint16 *pNameLength) 897{ 898 SL_ENTER_INTERFACE 899 900 if (NULL == pNameLength) { 901 result = SL_RESULT_PARAMETER_INVALID; 902 } else { 903 size_t actualNameLength; 904 unsigned numExtensions = sizeof(extensionNames) / sizeof(extensionNames[0]); 905 if (index >= numExtensions) { 906 actualNameLength = 0; 907 result = SL_RESULT_PARAMETER_INVALID; 908 } else { 909 const char *extensionName = extensionNames[index]; 910 actualNameLength = strlen(extensionName) + 1; 911 if (NULL == pExtensionName) { 912 // application is querying the name length in order to allocate a buffer 913 result = SL_RESULT_SUCCESS; 914 } else { 915 SLint16 availableNameLength = *pNameLength; 916 if (0 >= availableNameLength) { 917 // there is not even room for the terminating NUL 918 result = SL_RESULT_BUFFER_INSUFFICIENT; 919 } else if (actualNameLength > (size_t) availableNameLength) { 920 // "no invalid strings are written. That is, the null-terminator always exists" 921 memcpy(pExtensionName, extensionName, (size_t) availableNameLength - 1); 922 pExtensionName[(size_t) availableNameLength - 1] = '\0'; 923 result = SL_RESULT_BUFFER_INSUFFICIENT; 924 } else { 925 memcpy(pExtensionName, extensionName, actualNameLength); 926 result = SL_RESULT_SUCCESS; 927 } 928 } 929 } 930 *pNameLength = actualNameLength; 931 } 932 933 SL_LEAVE_INTERFACE 934} 935 936 937static SLresult IEngine_IsExtensionSupported(SLEngineItf self, 938 const SLchar *pExtensionName, SLboolean *pSupported) 939{ 940 SL_ENTER_INTERFACE 941 942 if (NULL == pSupported) { 943 result = SL_RESULT_PARAMETER_INVALID; 944 } else { 945 SLboolean isSupported = SL_BOOLEAN_FALSE; 946 if (NULL == pExtensionName) { 947 result = SL_RESULT_PARAMETER_INVALID; 948 } else { 949 unsigned numExtensions = sizeof(extensionNames) / sizeof(extensionNames[0]); 950 unsigned i; 951 for (i = 0; i < numExtensions; ++i) { 952 if (!strcmp((const char *) pExtensionName, extensionNames[i])) { 953 isSupported = SL_BOOLEAN_TRUE; 954 break; 955 } 956 } 957 result = SL_RESULT_SUCCESS; 958 } 959 *pSupported = isSupported; 960 } 961 962 SL_LEAVE_INTERFACE 963} 964 965 966static const struct SLEngineItf_ IEngine_Itf = { 967 IEngine_CreateLEDDevice, 968 IEngine_CreateVibraDevice, 969 IEngine_CreateAudioPlayer, 970 IEngine_CreateAudioRecorder, 971 IEngine_CreateMidiPlayer, 972 IEngine_CreateListener, 973 IEngine_Create3DGroup, 974 IEngine_CreateOutputMix, 975 IEngine_CreateMetadataExtractor, 976 IEngine_CreateExtensionObject, 977 IEngine_QueryNumSupportedInterfaces, 978 IEngine_QuerySupportedInterfaces, 979 IEngine_QueryNumSupportedExtensions, 980 IEngine_QuerySupportedExtension, 981 IEngine_IsExtensionSupported 982}; 983 984void IEngine_init(void *self) 985{ 986 IEngine *thiz = (IEngine *) self; 987 thiz->mItf = &IEngine_Itf; 988 // mLossOfControlGlobal is initialized in slCreateEngine 989#ifdef USE_SDL 990 thiz->mOutputMix = NULL; 991#endif 992 thiz->mInstanceCount = 1; // ourself 993 thiz->mInstanceMask = 0; 994 thiz->mChangedMask = 0; 995 unsigned i; 996 for (i = 0; i < MAX_INSTANCE; ++i) { 997 thiz->mInstances[i] = NULL; 998 } 999 thiz->mShutdown = SL_BOOLEAN_FALSE; 1000 thiz->mShutdownAck = SL_BOOLEAN_FALSE; 1001#if _BYTE_ORDER == _BIG_ENDIAN 1002 thiz->mNativeEndianness = SL_BYTEORDER_BIGENDIAN; 1003#else 1004 thiz->mNativeEndianness = SL_BYTEORDER_LITTLEENDIAN; 1005#endif 1006} 1007 1008void IEngine_deinit(void *self) 1009{ 1010} 1011 1012 1013// OpenMAX AL Engine 1014 1015 1016static XAresult IEngine_CreateCameraDevice(XAEngineItf self, XAObjectItf *pDevice, 1017 XAuint32 deviceID, XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1018 const XAboolean *pInterfaceRequired) 1019{ 1020 XA_ENTER_INTERFACE 1021 1022 //IXAEngine *thiz = (IXAEngine *) self; 1023 result = SL_RESULT_FEATURE_UNSUPPORTED; 1024 1025 XA_LEAVE_INTERFACE 1026} 1027 1028 1029static XAresult IEngine_CreateRadioDevice(XAEngineItf self, XAObjectItf *pDevice, 1030 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1031 const XAboolean *pInterfaceRequired) 1032{ 1033 XA_ENTER_INTERFACE 1034 1035 //IXAEngine *thiz = (IXAEngine *) self; 1036 result = SL_RESULT_FEATURE_UNSUPPORTED; 1037 1038 XA_LEAVE_INTERFACE 1039} 1040 1041 1042static XAresult IXAEngine_CreateLEDDevice(XAEngineItf self, XAObjectItf *pDevice, XAuint32 deviceID, 1043 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1044 const XAboolean *pInterfaceRequired) 1045{ 1046 // forward to OpenSL ES 1047 return IEngine_CreateLEDDevice(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1048 (SLObjectItf *) pDevice, deviceID, numInterfaces, (const SLInterfaceID *) pInterfaceIds, 1049 (const SLboolean *) pInterfaceRequired); 1050} 1051 1052 1053static XAresult IXAEngine_CreateVibraDevice(XAEngineItf self, XAObjectItf *pDevice, 1054 XAuint32 deviceID, XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1055 const XAboolean *pInterfaceRequired) 1056{ 1057 // forward to OpenSL ES 1058 return IEngine_CreateVibraDevice(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1059 (SLObjectItf *) pDevice, deviceID, numInterfaces, (const SLInterfaceID *) pInterfaceIds, 1060 (const SLboolean *) pInterfaceRequired); 1061} 1062 1063 1064static XAresult IEngine_CreateMediaPlayer(XAEngineItf self, XAObjectItf *pPlayer, 1065 XADataSource *pDataSrc, XADataSource *pBankSrc, XADataSink *pAudioSnk, 1066 XADataSink *pImageVideoSnk, XADataSink *pVibra, XADataSink *pLEDArray, 1067 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1068 const XAboolean *pInterfaceRequired) 1069{ 1070 XA_ENTER_INTERFACE 1071 1072 if (NULL == pPlayer) { 1073 result = XA_RESULT_PARAMETER_INVALID; 1074 } else { 1075 *pPlayer = NULL; 1076 unsigned exposedMask; 1077 const ClassTable *pCMediaPlayer_class = objectIDtoClass(XA_OBJECTID_MEDIAPLAYER); 1078 assert(NULL != pCMediaPlayer_class); 1079 result = checkInterfaces(pCMediaPlayer_class, numInterfaces, 1080 (const SLInterfaceID *) pInterfaceIds, pInterfaceRequired, &exposedMask, NULL); 1081 if (XA_RESULT_SUCCESS == result) { 1082 1083 // Construct our new MediaPlayer instance 1084 CMediaPlayer *thiz = (CMediaPlayer *) construct(pCMediaPlayer_class, exposedMask, 1085 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf); 1086 if (NULL == thiz) { 1087 result = XA_RESULT_MEMORY_FAILURE; 1088 } else { 1089 1090 do { 1091 1092 // Initialize private fields not associated with an interface 1093 1094 // Default data source in case of failure in checkDataSource 1095 thiz->mDataSource.mLocator.mLocatorType = SL_DATALOCATOR_NULL; 1096 thiz->mDataSource.mFormat.mFormatType = XA_DATAFORMAT_NULL; 1097 1098 // Default andio and image sink in case of failure in checkDataSink 1099 thiz->mAudioSink.mLocator.mLocatorType = XA_DATALOCATOR_NULL; 1100 thiz->mAudioSink.mFormat.mFormatType = XA_DATAFORMAT_NULL; 1101 thiz->mImageVideoSink.mLocator.mLocatorType = XA_DATALOCATOR_NULL; 1102 thiz->mImageVideoSink.mFormat.mFormatType = XA_DATAFORMAT_NULL; 1103 1104 // More default values, in case destructor needs to be called early 1105 thiz->mNumChannels = UNKNOWN_NUMCHANNELS; 1106 1107#ifdef ANDROID 1108 // placement new (explicit constructor) 1109 // FIXME unnecessary once those fields are encapsulated in one class, rather 1110 // than a structure 1111 (void) new (&thiz->mAVPlayer) android::sp<android::GenericPlayer>(); 1112 (void) new (&thiz->mCallbackProtector) 1113 android::sp<android::CallbackProtector>(); 1114 // Android-specific POD fields are initialized in android_Player_create, 1115 // and assume calloc or memset 0 during allocation 1116#endif 1117 1118 // Check the source and sink parameters against generic constraints 1119 1120 result = checkDataSource("pDataSrc", (const SLDataSource *) pDataSrc, 1121 &thiz->mDataSource, DATALOCATOR_MASK_URI 1122#ifdef ANDROID 1123 | DATALOCATOR_MASK_ANDROIDFD 1124 | DATALOCATOR_MASK_ANDROIDBUFFERQUEUE 1125#endif 1126 , DATAFORMAT_MASK_MIME); 1127 if (XA_RESULT_SUCCESS != result) { 1128 break; 1129 } 1130 1131 result = checkDataSource("pBankSrc", (const SLDataSource *) pBankSrc, 1132 &thiz->mBankSource, DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_URI | 1133 DATALOCATOR_MASK_ADDRESS, DATAFORMAT_MASK_NULL); 1134 if (XA_RESULT_SUCCESS != result) { 1135 break; 1136 } 1137 1138 result = checkDataSink("pAudioSnk", (const SLDataSink *) pAudioSnk, 1139 &thiz->mAudioSink, DATALOCATOR_MASK_OUTPUTMIX, DATAFORMAT_MASK_NULL); 1140 if (XA_RESULT_SUCCESS != result) { 1141 break; 1142 } 1143 1144 result = checkDataSink("pImageVideoSnk", (const SLDataSink *) pImageVideoSnk, 1145 &thiz->mImageVideoSink, 1146 DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_NATIVEDISPLAY, 1147 DATAFORMAT_MASK_NULL); 1148 if (XA_RESULT_SUCCESS != result) { 1149 break; 1150 } 1151 1152 result = checkDataSink("pVibra", (const SLDataSink *) pVibra, &thiz->mVibraSink, 1153 DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_IODEVICE, 1154 DATAFORMAT_MASK_NULL); 1155 if (XA_RESULT_SUCCESS != result) { 1156 break; 1157 } 1158 1159 result = checkDataSink("pLEDArray", (const SLDataSink *) pLEDArray, 1160 &thiz->mLEDArraySink, DATALOCATOR_MASK_NULL | DATALOCATOR_MASK_IODEVICE, 1161 DATAFORMAT_MASK_NULL); 1162 if (XA_RESULT_SUCCESS != result) { 1163 break; 1164 } 1165 1166 // Unsafe to ever refer to application pointers again 1167 pDataSrc = NULL; 1168 pBankSrc = NULL; 1169 pAudioSnk = NULL; 1170 pImageVideoSnk = NULL; 1171 pVibra = NULL; 1172 pLEDArray = NULL; 1173 1174 // Check that the requested interfaces are compatible with the data source 1175 // FIXME implement 1176 1177 // check the source and sink parameters against platform support 1178#ifdef ANDROID 1179 result = android_Player_checkSourceSink(thiz); 1180 if (XA_RESULT_SUCCESS != result) { 1181 break; 1182 } 1183#endif 1184 1185#ifdef ANDROID 1186 // AndroidBufferQueue-specific initialization 1187 if (XA_DATALOCATOR_ANDROIDBUFFERQUEUE == 1188 thiz->mDataSource.mLocator.mLocatorType) { 1189 XAuint16 nbBuffers = (XAuint16) thiz->mDataSource.mLocator.mABQ.numBuffers; 1190 1191 // Avoid possible integer overflow during multiplication; this arbitrary 1192 // maximum is big enough to not interfere with real applications, but 1193 // small enough to not overflow. 1194 if (nbBuffers >= 256) { 1195 result = SL_RESULT_MEMORY_FAILURE; 1196 break; 1197 } 1198 1199 // initialize ABQ buffer type 1200 // assert below has been checked in android_audioPlayer_checkSourceSink 1201 assert(XA_DATAFORMAT_MIME == thiz->mDataSource.mFormat.mFormatType); 1202 if (XA_CONTAINERTYPE_MPEG_TS == 1203 thiz->mDataSource.mFormat.mMIME.containerType) { 1204 thiz->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeMpeg2Ts; 1205 1206 // Set the container type for the StreamInformation interface 1207 XAMediaContainerInformation *containerInfo = 1208 (XAMediaContainerInformation*) 1209 // always storing container info at index 0, as per spec 1210 &thiz->mStreamInfo.mStreamInfoTable.itemAt(0).containerInfo; 1211 containerInfo->containerType = XA_CONTAINERTYPE_MPEG_TS; 1212 // there are no streams at this stage 1213 containerInfo->numStreams = 0; 1214 1215 } else { 1216 thiz->mAndroidBufferQueue.mBufferType = kAndroidBufferTypeInvalid; 1217 SL_LOGE("Invalid buffer type in Android Buffer Queue"); 1218 result = SL_RESULT_CONTENT_UNSUPPORTED; 1219 } 1220 1221 // initialize ABQ memory 1222 thiz->mAndroidBufferQueue.mBufferArray = (AdvancedBufferHeader *) 1223 malloc( (nbBuffers + 1) * sizeof(AdvancedBufferHeader)); 1224 if (NULL == thiz->mAndroidBufferQueue.mBufferArray) { 1225 result = SL_RESULT_MEMORY_FAILURE; 1226 break; 1227 } else { 1228 thiz->mAndroidBufferQueue.mFront = 1229 thiz->mAndroidBufferQueue.mBufferArray; 1230 thiz->mAndroidBufferQueue.mRear = 1231 thiz->mAndroidBufferQueue.mBufferArray; 1232 } 1233 1234 thiz->mAndroidBufferQueue.mNumBuffers = nbBuffers; 1235 1236 } 1237#endif 1238 1239 // used to store the data source of our audio player 1240 thiz->mDynamicSource.mDataSource = &thiz->mDataSource.u.mSource; 1241 1242 // platform-specific initialization 1243#ifdef ANDROID 1244 android_Player_create(thiz); 1245#endif 1246 1247 } while (0); 1248 1249 if (XA_RESULT_SUCCESS != result) { 1250 IObject_Destroy(&thiz->mObject.mItf); 1251 } else { 1252 IObject_Publish(&thiz->mObject); 1253 // return the new media player object 1254 *pPlayer = (XAObjectItf) &thiz->mObject.mItf; 1255 } 1256 1257 } 1258 } 1259 1260 } 1261 1262 XA_LEAVE_INTERFACE 1263} 1264 1265 1266static XAresult IEngine_CreateMediaRecorder(XAEngineItf self, XAObjectItf *pRecorder, 1267 XADataSource *pAudioSrc, XADataSource *pImageVideoSrc, 1268 XADataSink *pDataSnk, XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1269 const XAboolean *pInterfaceRequired) 1270{ 1271 XA_ENTER_INTERFACE 1272 1273 //IXAEngine *thiz = (IXAEngine *) self; 1274 result = SL_RESULT_FEATURE_UNSUPPORTED; 1275 1276#if 0 1277 "pAudioSrc", pAudioSrc, 1278 "pImageVideoSrc", pImageVideoSrc, 1279 "pDataSink", pDataSnk, 1280#endif 1281 1282 XA_LEAVE_INTERFACE 1283} 1284 1285 1286static XAresult IXAEngine_CreateOutputMix(XAEngineItf self, XAObjectItf *pMix, 1287 XAuint32 numInterfaces, const XAInterfaceID *pInterfaceIds, 1288 const XAboolean *pInterfaceRequired) 1289{ 1290 // forward to OpenSL ES 1291 return IEngine_CreateOutputMix(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1292 (SLObjectItf *) pMix, numInterfaces, (const SLInterfaceID *) pInterfaceIds, 1293 (const SLboolean *) pInterfaceRequired); 1294} 1295 1296 1297static XAresult IXAEngine_CreateMetadataExtractor(XAEngineItf self, XAObjectItf *pMetadataExtractor, 1298 XADataSource *pDataSource, XAuint32 numInterfaces, 1299 const XAInterfaceID *pInterfaceIds, const XAboolean *pInterfaceRequired) 1300{ 1301 // forward to OpenSL ES 1302 return IEngine_CreateMetadataExtractor(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1303 (SLObjectItf *) pMetadataExtractor, (SLDataSource *) pDataSource, numInterfaces, 1304 (const SLInterfaceID *) pInterfaceIds, (const SLboolean *) pInterfaceRequired); 1305} 1306 1307 1308static XAresult IXAEngine_CreateExtensionObject(XAEngineItf self, XAObjectItf *pObject, 1309 void *pParameters, XAuint32 objectID, XAuint32 numInterfaces, 1310 const XAInterfaceID *pInterfaceIds, const XAboolean *pInterfaceRequired) 1311{ 1312 // forward to OpenSL ES 1313 return IEngine_CreateExtensionObject(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1314 (SLObjectItf *) pObject, pParameters, objectID, numInterfaces, 1315 (const SLInterfaceID *) pInterfaceIds, (const SLboolean *) pInterfaceRequired); 1316} 1317 1318 1319static XAresult IEngine_GetImplementationInfo(XAEngineItf self, XAuint32 *pMajor, XAuint32 *pMinor, 1320 XAuint32 *pStep, /* XAuint32 nImplementationTextSize, */ const XAchar *pImplementationText) 1321{ 1322 XA_ENTER_INTERFACE 1323 1324 //IXAEngine *thiz = (IXAEngine *) self; 1325 result = SL_RESULT_FEATURE_UNSUPPORTED; 1326 1327 XA_LEAVE_INTERFACE 1328} 1329 1330 1331static XAresult IXAEngine_QuerySupportedProfiles(XAEngineItf self, XAint16 *pProfilesSupported) 1332{ 1333 XA_ENTER_INTERFACE 1334 1335 if (NULL == pProfilesSupported) { 1336 result = XA_RESULT_PARAMETER_INVALID; 1337 } else { 1338#if 1 1339 *pProfilesSupported = 0; 1340 // the code below was copied from OpenSL ES and needs to be adapted for OpenMAX AL. 1341#else 1342 // The generic implementation doesn't implement any of the profiles, they shouldn't be 1343 // declared as supported. Also exclude the fake profiles BASE and OPTIONAL. 1344 *pProfilesSupported = USE_PROFILES & 1345 (USE_PROFILES_GAME | USE_PROFILES_MUSIC | USE_PROFILES_PHONE); 1346#endif 1347 result = XA_RESULT_SUCCESS; 1348 } 1349 1350 XA_LEAVE_INTERFACE 1351} 1352 1353 1354static XAresult IXAEngine_QueryNumSupportedInterfaces(XAEngineItf self, XAuint32 objectID, 1355 XAuint32 *pNumSupportedInterfaces) 1356{ 1357 // forward to OpenSL ES 1358 return IEngine_QueryNumSupportedInterfaces( 1359 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, objectID, 1360 pNumSupportedInterfaces); 1361} 1362 1363 1364static XAresult IXAEngine_QuerySupportedInterfaces(XAEngineItf self, XAuint32 objectID, 1365 XAuint32 index, XAInterfaceID *pInterfaceId) 1366{ 1367 // forward to OpenSL ES 1368 return IEngine_QuerySupportedInterfaces( 1369 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, objectID, index, 1370 (SLInterfaceID *) pInterfaceId); 1371} 1372 1373 1374static XAresult IXAEngine_QueryNumSupportedExtensions(XAEngineItf self, XAuint32 *pNumExtensions) 1375{ 1376 // forward to OpenSL ES 1377 return IEngine_QueryNumSupportedExtensions( 1378 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, pNumExtensions); 1379} 1380 1381 1382static XAresult IXAEngine_QuerySupportedExtension(XAEngineItf self, XAuint32 index, 1383 XAchar *pExtensionName, XAint16 *pNameLength) 1384{ 1385 // forward to OpenSL ES 1386 return IEngine_QuerySupportedExtension(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1387 index, pExtensionName, (SLint16 *) pNameLength); 1388} 1389 1390 1391static XAresult IXAEngine_IsExtensionSupported(XAEngineItf self, const XAchar *pExtensionName, 1392 XAboolean *pSupported) 1393{ 1394 // forward to OpenSL ES 1395 return IEngine_IsExtensionSupported(&((CEngine *) ((IXAEngine *) self)->mThis)->mEngine.mItf, 1396 pExtensionName, pSupported); 1397} 1398 1399 1400static XAresult IXAEngine_QueryLEDCapabilities(XAEngineItf self, XAuint32 *pIndex, 1401 XAuint32 *pLEDDeviceID, XALEDDescriptor *pDescriptor) 1402{ 1403 // forward to OpenSL ES EngineCapabilities 1404 return (XAresult) IEngineCapabilities_QueryLEDCapabilities( 1405 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngineCapabilities.mItf, pIndex, 1406 pLEDDeviceID, (SLLEDDescriptor *) pDescriptor); 1407} 1408 1409 1410static XAresult IXAEngine_QueryVibraCapabilities(XAEngineItf self, XAuint32 *pIndex, 1411 XAuint32 *pVibraDeviceID, XAVibraDescriptor *pDescriptor) 1412{ 1413 // forward to OpenSL ES EngineCapabilities 1414 return (XAresult) IEngineCapabilities_QueryVibraCapabilities( 1415 &((CEngine *) ((IXAEngine *) self)->mThis)->mEngineCapabilities.mItf, pIndex, 1416 pVibraDeviceID, (SLVibraDescriptor *) pDescriptor); 1417} 1418 1419 1420// OpenMAX AL engine v-table 1421 1422static const struct XAEngineItf_ IXAEngine_Itf = { 1423 IEngine_CreateCameraDevice, 1424 IEngine_CreateRadioDevice, 1425 IXAEngine_CreateLEDDevice, 1426 IXAEngine_CreateVibraDevice, 1427 IEngine_CreateMediaPlayer, 1428 IEngine_CreateMediaRecorder, 1429 IXAEngine_CreateOutputMix, 1430 IXAEngine_CreateMetadataExtractor, 1431 IXAEngine_CreateExtensionObject, 1432 IEngine_GetImplementationInfo, 1433 IXAEngine_QuerySupportedProfiles, 1434 IXAEngine_QueryNumSupportedInterfaces, 1435 IXAEngine_QuerySupportedInterfaces, 1436 IXAEngine_QueryNumSupportedExtensions, 1437 IXAEngine_QuerySupportedExtension, 1438 IXAEngine_IsExtensionSupported, 1439 IXAEngine_QueryLEDCapabilities, 1440 IXAEngine_QueryVibraCapabilities 1441}; 1442 1443 1444void IXAEngine_init(void *self) 1445{ 1446 IXAEngine *thiz = (IXAEngine *) self; 1447 thiz->mItf = &IXAEngine_Itf; 1448} 1449 1450 1451void IXAEngine_deinit(void *self) 1452{ 1453} 1454